Problem ProcedureMarkings appear onthe computer'sdisplay panel.These marks may have come from contact with thekeyboard and Touch Pad while the display panelhas been closed. You should try to remove themarks by gently wiping the display panel with aclean dry cloth or, if this fails, with a good qualityLCD screen cleaner. In this latter instance youshould always follow the instructions with thescreen cleaner and always ensure you let thedisplay panel dry properly before closing it.HDDProblem ProcedureComputer does notboot from HDDCheck to see whether there is a disc in the opticaldisc drive - if so remove it and try to start thecomputer again.If this has no effect, check the Boot Setting withinthe TOSHIBA HWSetup.Slow performance The files on the HDD may be fragmented - in thisinstance you should run the disk Defragmentationutility to check the condition of your files and theHDD. Please refer to the operating system'sdocumentation or online Help File for furtherinformation on operating and using theDefragmentation utility.As a last resort you should reformat the HDD andthen reload the operating system and all other filesand data. If you are still unable to resolve theproblem, contact TOSHIBA Support.Optical Disc DriveFor further information, please refer to Operating Basics.User's Manual 6-8